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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1505527Generated: November 1, 2026

Pyridine → HCID 131734352, compound

https://huagongshe.com/reaction/1505527

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant1-methyl-1H-imidazole-4-sulfonyl chlorideHCID 2736887—
Reactanttert-Butyl (3-amino-2,6-difluorophenyl)carbamateHCID 70700579—
SolventDichloromethaneHCID 6344—
ProductHCID 131734352HCID 13173435295%

Reaction Conditions

Temperature50 °C

Reaction Steps

The tert-butyl-3-amino-2,6-difluorophenylcarbamate (50 mg, 0.20 mmol) prepared at Step 3 was added and dissolved into dichloromethane solvent. 1-methyl-1H-imidazole-4-sulfonyl chloride (44 uL, 0.25 mmol) and pyridine (50 uL, 0.61 mmol) were added into the reaction solution and stirred at 50° C. for 2 hours. After the reaction, the reactant was washed with 1N aqueous hydrochloric acid solution and salt water. After extraction with dichloromethane, the organic layer was dried with sulfuric anhydride magnesium and vacuum concentrated, and then refined by means of column chromatography, so that 74 mg of the target compound, tert-butyl-2,6-difluoro-3-(1-methyl-1H-imidazole-4-sulfonamido)phenylcarbamate (percentage yield: 95%), was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09216981B2
Source datasetuspto-grants-2015_12
ORD IDord-90d0b7f296864b728ecb56e6cdd718a6
Source noteuspto-grants-2015_12